• ZATT's Star of the Week, is ... Winx!Posted 1 day ago
  • Elektrum (5-2) gets up in the final jump to win the Grade 3 Dowager at Keeneland.Posted 1 day ago
  • Roca Rojo (4-1) storms home to romp in Belmont's Athenia.Posted 1 day ago
  • Lightstream (2-1) rolls late to pass Malibu Stacy for the Raven Run win.Posted 2 days ago
  • Royal Posse (5-2) likes the off going and upsets Governor Malibu in the Empire Classic.Posted 2 days ago
  • Bar of Gold (4-5) wins the Empire Distaff by a country mile.Posted 2 days ago
  • Pat On The Back (20-1) puts them to sleep in a sloppy Sleepy Hollow.Posted 2 days ago
  • 2001 Kentucky Derby winner, Monarchos has passed away at the age of 18.Posted 2 days ago
  • Winx absolutely dominant in winning a second Cox Plate.Posted 3 days ago
  • Quidura (7-2) scores another graded stakes win at Keeneland for Graham Motion.Posted 3 days ago
Breeders Cup 2015

HRN Original Blog:
ThoroughMetrics's Blog
Posted Tuesday, October 11, 2016
Some research into stallions who sire durable (and reasonably fast) offspring. There aren't a lot of them, but it's an interesting list.
Posted Thursday, October 06, 2016
Statistical analysis of the soundness and durability of Unbridled's Song's offspring led to some findings that surprised me.
Posted Thursday, June 06, 2013
I compare the upcoming 'revolution' in statistical analysis to baseball's 'Moneyball' movement, and do some 'back of napkin' estimates of the dollar value of improved insight into which pedigree factors can predict racing success.
Posted Saturday, June 01, 2013
I took a look at the two year old offspring of top sires in 2001 and 2002 to see what kind of correlations in performance existed betwen the two crops. Due to a lack of detailed data, the results were inconclusive, but still somewhat interesting.
Posted Saturday, May 25, 2013
An introduction to the new ThoroughMetrics blog. And I revisit an old question about Storm Cat as a sire of sires...and once again fail to come up with answer.

Meet Alex Zelvin

Alex is a lifelong horse racing fan and statistics nerd. He combines those interests in a passion for statistical analysis of thoroughbred pedigrees. 

Alex is currently building a model to predict the on-track success of any real or hypothetical mating. If you're interested in keeping up with his progress in-between articles here, he'll be posting frequent informal updates at his blog (thoroughmetrics.blogspot.com), where you can also sign up for his email update list. 

He can also be reached at zelvin30@hotmail.com if you're interested in consulting with him or just discussing pedigree analysis. 

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